[INFO] updating cached repository BearzRobotics/zemulator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BearzRobotics/zemulator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BearzRobotics/zemulator" "work/ex/beta-1.38-1/sources/1.37.0/gh/BearzRobotics/zemulator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/BearzRobotics/zemulator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BearzRobotics/zemulator" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BearzRobotics/zemulator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BearzRobotics/zemulator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f7e7382dcfa177bdcca8e8e3c509bb725b7d20f5
[INFO] sha for GitHub repo BearzRobotics/zemulator: f7e7382dcfa177bdcca8e8e3c509bb725b7d20f5
[INFO] validating manifest of BearzRobotics/zemulator on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of BearzRobotics/zemulator on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing BearzRobotics/zemulator
[INFO] finished frobbing BearzRobotics/zemulator
[INFO] frobbed toml for BearzRobotics/zemulator written to work/ex/beta-1.38-1/sources/1.37.0/gh/BearzRobotics/zemulator/Cargo.toml
[INFO] started frobbing BearzRobotics/zemulator
[INFO] finished frobbing BearzRobotics/zemulator
[INFO] frobbed toml for BearzRobotics/zemulator written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BearzRobotics/zemulator/Cargo.toml
[INFO] crate BearzRobotics/zemulator already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing BearzRobotics/zemulator against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BearzRobotics/zemulator:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 9a024d68edbbbc05da86edc2d9c0cb2122801ef7c9aa083e1332d6ce3524872d
[INFO] running `"docker" "start" "-a" "9a024d68edbbbc05da86edc2d9c0cb2122801ef7c9aa083e1332d6ce3524872d"`
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]    Compiling minifb v0.10.7
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling emulator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Duration`, `Instant`
[INFO] [stderr]  --> src/main.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                 ^^^^^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/cpu.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `IndependentSample`, `Range`
[INFO] [stderr]  --> src/cpu.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::distributions::{IndependentSample, Range};
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/main.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     println!("Loop has ened");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `vx`
[INFO] [stderr]   --> src/cpu.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     vx:         [u8; 3], // number of general regesters
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `alu`
[INFO] [stderr]   --> src/cpu.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     alu:        u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `ret_stack`
[INFO] [stderr]   --> src/cpu.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     ret_stack:  Vec<u16>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `rng`
[INFO] [stderr]   --> src/cpu.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     rng:        rand::ThreadRng,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `debug_draw_sprite`
[INFO] [stderr]    --> src/cpu.rs:180:5
[INFO] [stderr]     |
[INFO] [stderr] 180 |     fn debug_draw_sprite() {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write_reg_vx`
[INFO] [stderr]    --> src/cpu.rs:184:5
[INFO] [stderr]     |
[INFO] [stderr] 184 |     pub fn write_reg_vx(&mut self, index: u8, value: u8){
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_reg_vx`
[INFO] [stderr]    --> src/cpu.rs:188:5
[INFO] [stderr]     |
[INFO] [stderr] 188 |     pub fn read_reg_vx(&mut self, index: u8) -> u8{
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_reg_values`
[INFO] [stderr]    --> src/cpu.rs:192:5
[INFO] [stderr]     |
[INFO] [stderr] 192 |     pub fn print_reg_values(&mut self, bus: &mut Bus) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `key_pressed`
[INFO] [stderr]  --> src/keyboard.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     key_pressed: Option<u8>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_key_pressed`
[INFO] [stderr]   --> src/keyboard.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn is_key_pressed(&self, key_code: u8) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_key_pressed`
[INFO] [stderr]   --> src/keyboard.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn set_key_pressed(&mut self, key: Option<u8>){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_key_pressed`
[INFO] [stderr]   --> src/keyboard.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn get_key_pressed(&self) -> Option<u8> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_reg_values`
[INFO] [stderr]   --> src/chip.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn print_reg_values(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_display_buffer`
[INFO] [stderr]   --> src/chip.rs:35:4
[INFO] [stderr]    |
[INFO] [stderr] 35 |    pub fn get_display_buffer(&self) -> &[u8] {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_key_pressed`
[INFO] [stderr]   --> src/chip.rs:39:4
[INFO] [stderr]    |
[INFO] [stderr] 39 |    pub fn set_key_pressed(&mut self, key: Option<u8>) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `keyboard`
[INFO] [stderr]  --> src/bus.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     keyboard:               Keyboard,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `display`
[INFO] [stderr]   --> src/bus.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     display:                Display,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `delay_timer_set_time`
[INFO] [stderr]   --> src/bus.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     delay_timer_set_time:   time::Instant,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `reg_bus`
[INFO] [stderr]   --> src/bus.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     reg_bus:                u8, // this is the bus regitor
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ram_write_byte`
[INFO] [stderr]   --> src/bus.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn ram_write_byte(&mut self, address: u16, value: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `debug_draw_byte`
[INFO] [stderr]   --> src/bus.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn debug_draw_byte(&mut self, byte: u8, x: u8, y: u8) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear_screen`
[INFO] [stderr]   --> src/bus.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn clear_screen(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_key_pressed`
[INFO] [stderr]   --> src/bus.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn set_key_pressed(&mut self, key: Option<u8>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_key_pressed`
[INFO] [stderr]   --> src/bus.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn is_key_pressed(&self, key_code: u8) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_delay_timer`
[INFO] [stderr]   --> src/bus.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn set_delay_timer(&mut self, value: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_delay_timer`
[INFO] [stderr]   --> src/bus.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn get_delay_timer(&self) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_display_buffer`
[INFO] [stderr]   --> src/bus.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn get_display_buffer(&self) -> &[u8] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_reg_bus`
[INFO] [stderr]   --> src/bus.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn get_reg_bus(&self) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `screen`
[INFO] [stderr]  --> src/display.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     screen: [u8; WIDTH * HEIGHT],
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_index_from_coords`
[INFO] [stderr]   --> src/display.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn get_index_from_coords(x: usize, y: usize) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `debug_draw_raw`
[INFO] [stderr]   --> src/display.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn debug_draw_raw(&mut self, byte: u8, x: u8, y: u8) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear`
[INFO] [stderr]   --> src/display.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn clear(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_display_buffer`
[INFO] [stderr]   --> src/display.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn get_display_buffer(&self) -> &[u8] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/display.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(type_ascription)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> src/display.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(type_ascription)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.90s
[INFO] running `"docker" "inspect" "9a024d68edbbbc05da86edc2d9c0cb2122801ef7c9aa083e1332d6ce3524872d"`
[INFO] running `"docker" "rm" "-f" "9a024d68edbbbc05da86edc2d9c0cb2122801ef7c9aa083e1332d6ce3524872d"`
[INFO] [stdout] 9a024d68edbbbc05da86edc2d9c0cb2122801ef7c9aa083e1332d6ce3524872d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BearzRobotics/zemulator:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7a31a0b8ef4577b12d0869d003092810459ebeb6f77d5ebbcc52bf5d5f793a90
[INFO] running `"docker" "start" "-a" "7a31a0b8ef4577b12d0869d003092810459ebeb6f77d5ebbcc52bf5d5f793a90"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling emulator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Duration`, `Instant`
[INFO] [stderr]  --> src/main.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::time::{Duration, Instant};
[INFO] [stderr]   |                 ^^^^^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]  --> src/cpu.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `IndependentSample`, `Range`
[INFO] [stderr]  --> src/cpu.rs:4:27
[INFO] [stderr]   |
[INFO] [stderr] 4 | use rand::distributions::{IndependentSample, Range};
[INFO] [stderr]   |                           ^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable statement
[INFO] [stderr]   --> src/main.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     println!("Loop has ened");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `vx`
[INFO] [stderr]   --> src/cpu.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     vx:         [u8; 3], // number of general regesters
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `alu`
[INFO] [stderr]   --> src/cpu.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     alu:        u8,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `ret_stack`
[INFO] [stderr]   --> src/cpu.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     ret_stack:  Vec<u16>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `rng`
[INFO] [stderr]   --> src/cpu.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     rng:        rand::ThreadRng,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `debug_draw_sprite`
[INFO] [stderr]    --> src/cpu.rs:180:5
[INFO] [stderr]     |
[INFO] [stderr] 180 |     fn debug_draw_sprite() {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write_reg_vx`
[INFO] [stderr]    --> src/cpu.rs:184:5
[INFO] [stderr]     |
[INFO] [stderr] 184 |     pub fn write_reg_vx(&mut self, index: u8, value: u8){
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read_reg_vx`
[INFO] [stderr]    --> src/cpu.rs:188:5
[INFO] [stderr]     |
[INFO] [stderr] 188 |     pub fn read_reg_vx(&mut self, index: u8) -> u8{
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_reg_values`
[INFO] [stderr]    --> src/cpu.rs:192:5
[INFO] [stderr]     |
[INFO] [stderr] 192 |     pub fn print_reg_values(&mut self, bus: &mut Bus) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `key_pressed`
[INFO] [stderr]  --> src/keyboard.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     key_pressed: Option<u8>,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_key_pressed`
[INFO] [stderr]   --> src/keyboard.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn is_key_pressed(&self, key_code: u8) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_key_pressed`
[INFO] [stderr]   --> src/keyboard.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn set_key_pressed(&mut self, key: Option<u8>){
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_key_pressed`
[INFO] [stderr]   --> src/keyboard.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn get_key_pressed(&self) -> Option<u8> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print_reg_values`
[INFO] [stderr]   --> src/chip.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn print_reg_values(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_display_buffer`
[INFO] [stderr]   --> src/chip.rs:35:4
[INFO] [stderr]    |
[INFO] [stderr] 35 |    pub fn get_display_buffer(&self) -> &[u8] {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_key_pressed`
[INFO] [stderr]   --> src/chip.rs:39:4
[INFO] [stderr]    |
[INFO] [stderr] 39 |    pub fn set_key_pressed(&mut self, key: Option<u8>) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `keyboard`
[INFO] [stderr]  --> src/bus.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     keyboard:               Keyboard,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `display`
[INFO] [stderr]   --> src/bus.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     display:                Display,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `delay_timer_set_time`
[INFO] [stderr]   --> src/bus.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     delay_timer_set_time:   time::Instant,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `reg_bus`
[INFO] [stderr]   --> src/bus.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     reg_bus:                u8, // this is the bus regitor
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ram_write_byte`
[INFO] [stderr]   --> src/bus.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn ram_write_byte(&mut self, address: u16, value: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `debug_draw_byte`
[INFO] [stderr]   --> src/bus.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn debug_draw_byte(&mut self, byte: u8, x: u8, y: u8) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear_screen`
[INFO] [stderr]   --> src/bus.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     pub fn clear_screen(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_key_pressed`
[INFO] [stderr]   --> src/bus.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn set_key_pressed(&mut self, key: Option<u8>) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_key_pressed`
[INFO] [stderr]   --> src/bus.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn is_key_pressed(&self, key_code: u8) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_delay_timer`
[INFO] [stderr]   --> src/bus.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn set_delay_timer(&mut self, value: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_delay_timer`
[INFO] [stderr]   --> src/bus.rs:57:5
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn get_delay_timer(&self) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_display_buffer`
[INFO] [stderr]   --> src/bus.rs:68:5
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub fn get_display_buffer(&self) -> &[u8] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_reg_bus`
[INFO] [stderr]   --> src/bus.rs:72:5
[INFO] [stderr]    |
[INFO] [stderr] 72 |     pub fn get_reg_bus(&self) -> u8 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `screen`
[INFO] [stderr]  --> src/display.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     screen: [u8; WIDTH * HEIGHT],
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_index_from_coords`
[INFO] [stderr]   --> src/display.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     pub fn get_index_from_coords(x: usize, y: usize) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `debug_draw_raw`
[INFO] [stderr]   --> src/display.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     pub fn debug_draw_raw(&mut self, byte: u8, x: u8, y: u8) -> bool {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear`
[INFO] [stderr]   --> src/display.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     pub fn clear(&mut self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_display_buffer`
[INFO] [stderr]   --> src/display.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn get_display_buffer(&self) -> &[u8] {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused attribute
[INFO] [stderr]  --> src/display.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(type_ascription)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate-level attribute should be in the root module
[INFO] [stderr]  --> src/display.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(type_ascription)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "7a31a0b8ef4577b12d0869d003092810459ebeb6f77d5ebbcc52bf5d5f793a90"`
[INFO] running `"docker" "rm" "-f" "7a31a0b8ef4577b12d0869d003092810459ebeb6f77d5ebbcc52bf5d5f793a90"`
[INFO] [stdout] 7a31a0b8ef4577b12d0869d003092810459ebeb6f77d5ebbcc52bf5d5f793a90
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/BearzRobotics/zemulator:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 9619fe35361e32ea9fb54de8edc53a2c1c0ed73e57fc888be7af11ede07a6951
[INFO] running `"docker" "start" "-a" "9619fe35361e32ea9fb54de8edc53a2c1c0ed73e57fc888be7af11ede07a6951"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/emulator-ebc4af792930d265
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9619fe35361e32ea9fb54de8edc53a2c1c0ed73e57fc888be7af11ede07a6951"`
[INFO] running `"docker" "rm" "-f" "9619fe35361e32ea9fb54de8edc53a2c1c0ed73e57fc888be7af11ede07a6951"`
[INFO] [stdout] 9619fe35361e32ea9fb54de8edc53a2c1c0ed73e57fc888be7af11ede07a6951